Adding usage of openpojo in policy common

* Changing TestHealthCheckReport to use openpojo for testing the
  HealthCheckReport class.
* Adding a custom Tester implementation called ToStringTester
  as a utility to test toString() method of classes using openpojo.

Change-Id: I491a23c471d50454b4d5591c6c09c6758e2c0624
Issue-ID: POLICY-1035
Signed-off-by: ramverma <ram.krishna.verma@ericsson.com>

1 files changed, 65 insertions, 0 deletions

diff --git a/utils/src/main/java/org/onap/policy/common/utils/validation/ToStringTester.java b/utils/src/main/java/org/onap/policy/common/utils/validation/ToStringTester.java
new file mode 100644
index 00000000..9e73a3f4
--- /dev/null
+++ b/utils/src/main/java/org/onap/policy/common/utils/validation/ToStringTester.java
@@ -0,0 +1,65 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.utils.validation;
+
+import static org.hamcrest.CoreMatchers.anyOf;
+import static org.hamcrest.CoreMatchers.anything;
+
+import com.openpojo.reflection.PojoClass;
+import com.openpojo.validation.affirm.Affirm;
+import com.openpojo.validation.test.Tester;
+import com.openpojo.validation.utils.ValidationHelper;
+
+import org.hamcrest.Matcher;
+
+
+/**
+ * Class to provide toString testing utility for testing pojo classes.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@ericsson.com)
+ */
+@SuppressWarnings("rawtypes")
+public class ToStringTester implements Tester {
+
+    private final Matcher m;
+
+    public ToStringTester() {
+        m = anything();
+    }
+
+    public ToStringTester(final Matcher m) {
+        this.m = m;
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public void run(final PojoClass pojoClass) {
+        final Class clazz = pojoClass.getClazz();
+        if (anyOf(m).matches(clazz)) {
+            final Object classInstance = ValidationHelper.getBasicInstance(pojoClass);
+
+            Affirm.affirmFalse("Found default toString output",
+                    classInstance.toString().matches(Object.class.getName() + "@" + "\\w+"));
+        }
+
+    }
+
+}